Home / 153,071.60-229,603.17-40,752.80

Finding the Fourth Proportional to 153,071.60, 229,603.17 and 40,752.80

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Solution

The fourth proportional to 153,071.60, 229,603.17 and 40,752.80 is: 61,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,071.60 : 229,603.17 = 40,752.80 : x
  2. Step 2: Convert to fraction form
    153,071.60/229,603.17 = 40,752.80/x
  3. Step 3: Cross multiply
    153,071.60x = 229,603.17 × 40,752.80
  4. Step 4: Simplify right side
    153,071.60x = 9,356,972,066.38
  5. Step 5: Solve for x
    x = 9,356,972,066.38/153,071.60
  6. Step 6: Final answer
    x = 61,128.07

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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.