Home / 147,413.80-220,955.10-58,643.20

Finding the Fourth Proportional to 147,413.80, 220,955.10 and 58,643.20

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Solution

The fourth proportional to 147,413.80, 220,955.10 and 58,643.20 is: 87,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,413.80 : 220,955.10 = 58,643.20 : x
  2. Step 2: Convert to fraction form
    147,413.80/220,955.10 = 58,643.20/x
  3. Step 3: Cross multiply
    147,413.80x = 220,955.10 × 58,643.20
  4. Step 4: Simplify right side
    147,413.80x = 12,957,514,120.32
  5. Step 5: Solve for x
    x = 12,957,514,120.32/147,413.80
  6. Step 6: Final answer
    x = 87,898.92

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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.