Home / 176,180.49-243,123.35-98,656.20

Finding the Fourth Proportional to 176,180.49, 243,123.35 and 98,656.20

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Solution

The fourth proportional to 176,180.49, 243,123.35 and 98,656.20 is: 136,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,180.49 : 243,123.35 = 98,656.20 : x
  2. Step 2: Convert to fraction form
    176,180.49/243,123.35 = 98,656.20/x
  3. Step 3: Cross multiply
    176,180.49x = 243,123.35 × 98,656.20
  4. Step 4: Simplify right side
    176,180.49x = 23,985,625,348.99
  5. Step 5: Solve for x
    x = 23,985,625,348.99/176,180.49
  6. Step 6: Final answer
    x = 136,142.35

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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.