Home / 124,678.29-186,963.33-68,501.55

Finding the Fourth Proportional to 124,678.29, 186,963.33 and 68,501.55

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Solution

The fourth proportional to 124,678.29, 186,963.33 and 68,501.55 is: 102,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,678.29 : 186,963.33 = 68,501.55 : x
  2. Step 2: Convert to fraction form
    124,678.29/186,963.33 = 68,501.55/x
  3. Step 3: Cross multiply
    124,678.29x = 186,963.33 × 68,501.55
  4. Step 4: Simplify right side
    124,678.29x = 12,807,277,898.16
  5. Step 5: Solve for x
    x = 12,807,277,898.16/124,678.29
  6. Step 6: Final answer
    x = 102,722.60

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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.