Home / 157,681.40-236,522.10-134,061.80

Finding the Fourth Proportional to 157,681.40, 236,522.10 and 134,061.80

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Solution

The fourth proportional to 157,681.40, 236,522.10 and 134,061.80 is: 201,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,681.40 : 236,522.10 = 134,061.80 : x
  2. Step 2: Convert to fraction form
    157,681.40/236,522.10 = 134,061.80/x
  3. Step 3: Cross multiply
    157,681.40x = 236,522.10 × 134,061.80
  4. Step 4: Simplify right side
    157,681.40x = 31,708,578,465.78
  5. Step 5: Solve for x
    x = 31,708,578,465.78/157,681.40
  6. Step 6: Final answer
    x = 201,092.70

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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.