Home / 151,031.04-208,428.18-83,053.20

Finding the Fourth Proportional to 151,031.04, 208,428.18 and 83,053.20

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Solution

The fourth proportional to 151,031.04, 208,428.18 and 83,053.20 is: 114,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.04 : 208,428.18 = 83,053.20 : x
  2. Step 2: Convert to fraction form
    151,031.04/208,428.18 = 83,053.20/x
  3. Step 3: Cross multiply
    151,031.04x = 208,428.18 × 83,053.20
  4. Step 4: Simplify right side
    151,031.04x = 17,310,627,319.18
  5. Step 5: Solve for x
    x = 17,310,627,319.18/151,031.04
  6. Step 6: Final answer
    x = 114,616.36

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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.