Home / 157,445.30-217,263.65-88,545.06

Finding the Fourth Proportional to 157,445.30, 217,263.65 and 88,545.06

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Solution

The fourth proportional to 157,445.30, 217,263.65 and 88,545.06 is: 122,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.30 : 217,263.65 = 88,545.06 : x
  2. Step 2: Convert to fraction form
    157,445.30/217,263.65 = 88,545.06/x
  3. Step 3: Cross multiply
    157,445.30x = 217,263.65 × 88,545.06
  4. Step 4: Simplify right side
    157,445.30x = 19,237,623,146.43
  5. Step 5: Solve for x
    x = 19,237,623,146.43/157,445.30
  6. Step 6: Final answer
    x = 122,186.08

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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.