Home / 218,306.41-301,152.57-127,603.12

Finding the Fourth Proportional to 218,306.41, 301,152.57 and 127,603.12

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Solution

The fourth proportional to 218,306.41, 301,152.57 and 127,603.12 is: 176,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,306.41 : 301,152.57 = 127,603.12 : x
  2. Step 2: Convert to fraction form
    218,306.41/301,152.57 = 127,603.12/x
  3. Step 3: Cross multiply
    218,306.41x = 301,152.57 × 127,603.12
  4. Step 4: Simplify right side
    218,306.41x = 38,428,007,528.02
  5. Step 5: Solve for x
    x = 38,428,007,528.02/218,306.41
  6. Step 6: Final answer
    x = 176,027.85

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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.