Home / 155,421.40-233,189.70-149,661.40

Finding the Fourth Proportional to 155,421.40, 233,189.70 and 149,661.40

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Solution

The fourth proportional to 155,421.40, 233,189.70 and 149,661.40 is: 224,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.40 : 233,189.70 = 149,661.40 : x
  2. Step 2: Convert to fraction form
    155,421.40/233,189.70 = 149,661.40/x
  3. Step 3: Cross multiply
    155,421.40x = 233,189.70 × 149,661.40
  4. Step 4: Simplify right side
    155,421.40x = 34,899,496,967.58
  5. Step 5: Solve for x
    x = 34,899,496,967.58/155,421.40
  6. Step 6: Final answer
    x = 224,547.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.