Home / 157,497.33-217,345.80-85,877.18

Finding the Fourth Proportional to 157,497.33, 217,345.80 and 85,877.18

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Solution

The fourth proportional to 157,497.33, 217,345.80 and 85,877.18 is: 118,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,497.33 : 217,345.80 = 85,877.18 : x
  2. Step 2: Convert to fraction form
    157,497.33/217,345.80 = 85,877.18/x
  3. Step 3: Cross multiply
    157,497.33x = 217,345.80 × 85,877.18
  4. Step 4: Simplify right side
    157,497.33x = 18,665,044,388.84
  5. Step 5: Solve for x
    x = 18,665,044,388.84/157,497.33
  6. Step 6: Final answer
    x = 118,510.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.