Home / 151,553.48-209,127.56-83,566.13

Finding the Fourth Proportional to 151,553.48, 209,127.56 and 83,566.13

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Solution

The fourth proportional to 151,553.48, 209,127.56 and 83,566.13 is: 115,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,553.48 : 209,127.56 = 83,566.13 : x
  2. Step 2: Convert to fraction form
    151,553.48/209,127.56 = 83,566.13/x
  3. Step 3: Cross multiply
    151,553.48x = 209,127.56 × 83,566.13
  4. Step 4: Simplify right side
    151,553.48x = 17,475,979,402.07
  5. Step 5: Solve for x
    x = 17,475,979,402.07/151,553.48
  6. Step 6: Final answer
    x = 115,312.30

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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.