Home / 124,565.70-186,848.55-121,285.20

Finding the Fourth Proportional to 124,565.70, 186,848.55 and 121,285.20

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Solution

The fourth proportional to 124,565.70, 186,848.55 and 121,285.20 is: 181,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,565.70 : 186,848.55 = 121,285.20 : x
  2. Step 2: Convert to fraction form
    124,565.70/186,848.55 = 121,285.20/x
  3. Step 3: Cross multiply
    124,565.70x = 186,848.55 × 121,285.20
  4. Step 4: Simplify right side
    124,565.70x = 22,661,963,756.46
  5. Step 5: Solve for x
    x = 22,661,963,756.46/124,565.70
  6. Step 6: Final answer
    x = 181,927.80

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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.