Home / 105,192.52-157,867.14-77,184.95

Finding the Fourth Proportional to 105,192.52, 157,867.14 and 77,184.95

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Solution

The fourth proportional to 105,192.52, 157,867.14 and 77,184.95 is: 115,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192.52 : 157,867.14 = 77,184.95 : x
  2. Step 2: Convert to fraction form
    105,192.52/157,867.14 = 77,184.95/x
  3. Step 3: Cross multiply
    105,192.52x = 157,867.14 × 77,184.95
  4. Step 4: Simplify right side
    105,192.52x = 12,184,966,807.65
  5. Step 5: Solve for x
    x = 12,184,966,807.65/105,192.52
  6. Step 6: Final answer
    x = 115,834.92

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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.