Home / 144,051.52-216,077.28-38,870.48

Finding the Fourth Proportional to 144,051.52, 216,077.28 and 38,870.48

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Solution

The fourth proportional to 144,051.52, 216,077.28 and 38,870.48 is: 58,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.52 : 216,077.28 = 38,870.48 : x
  2. Step 2: Convert to fraction form
    144,051.52/216,077.28 = 38,870.48/x
  3. Step 3: Cross multiply
    144,051.52x = 216,077.28 × 38,870.48
  4. Step 4: Simplify right side
    144,051.52x = 8,399,027,590.69
  5. Step 5: Solve for x
    x = 8,399,027,590.69/144,051.52
  6. Step 6: Final answer
    x = 58,305.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.