Home / 155,666.40-233,497.20-105,622.08

Finding the Fourth Proportional to 155,666.40, 233,497.20 and 105,622.08

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Solution

The fourth proportional to 155,666.40, 233,497.20 and 105,622.08 is: 158,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,666.40 : 233,497.20 = 105,622.08 : x
  2. Step 2: Convert to fraction form
    155,666.40/233,497.20 = 105,622.08/x
  3. Step 3: Cross multiply
    155,666.40x = 233,497.20 × 105,622.08
  4. Step 4: Simplify right side
    155,666.40x = 24,662,459,938.18
  5. Step 5: Solve for x
    x = 24,662,459,938.18/155,666.40
  6. Step 6: Final answer
    x = 158,431.49

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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.