Home / 134,421.40-201,437.70-59,480.20

Finding the Fourth Proportional to 134,421.40, 201,437.70 and 59,480.20

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Solution

The fourth proportional to 134,421.40, 201,437.70 and 59,480.20 is: 89,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.40 : 201,437.70 = 59,480.20 : x
  2. Step 2: Convert to fraction form
    134,421.40/201,437.70 = 59,480.20/x
  3. Step 3: Cross multiply
    134,421.40x = 201,437.70 × 59,480.20
  4. Step 4: Simplify right side
    134,421.40x = 11,981,554,683.54
  5. Step 5: Solve for x
    x = 11,981,554,683.54/134,421.40
  6. Step 6: Final answer
    x = 89,134.28

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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.