Home / 153,046.20-229,601.70-46,421.40

Finding the Fourth Proportional to 153,046.20, 229,601.70 and 46,421.40

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Solution

The fourth proportional to 153,046.20, 229,601.70 and 46,421.40 is: 69,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.20 : 229,601.70 = 46,421.40 : x
  2. Step 2: Convert to fraction form
    153,046.20/229,601.70 = 46,421.40/x
  3. Step 3: Cross multiply
    153,046.20x = 229,601.70 × 46,421.40
  4. Step 4: Simplify right side
    153,046.20x = 10,658,432,356.38
  5. Step 5: Solve for x
    x = 10,658,432,356.38/153,046.20
  6. Step 6: Final answer
    x = 69,641.93

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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.