Home / 152,318.53-210,206.13-84,335.50

Finding the Fourth Proportional to 152,318.53, 210,206.13 and 84,335.50

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Solution

The fourth proportional to 152,318.53, 210,206.13 and 84,335.50 is: 116,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.53 : 210,206.13 = 84,335.50 : x
  2. Step 2: Convert to fraction form
    152,318.53/210,206.13 = 84,335.50/x
  3. Step 3: Cross multiply
    152,318.53x = 210,206.13 × 84,335.50
  4. Step 4: Simplify right side
    152,318.53x = 17,727,838,025.58
  5. Step 5: Solve for x
    x = 17,727,838,025.58/152,318.53
  6. Step 6: Final answer
    x = 116,386.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.