Home / 132,816.17-183,280.96-72,385.51

Finding the Fourth Proportional to 132,816.17, 183,280.96 and 72,385.51

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Solution

The fourth proportional to 132,816.17, 183,280.96 and 72,385.51 is: 99,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.17 : 183,280.96 = 72,385.51 : x
  2. Step 2: Convert to fraction form
    132,816.17/183,280.96 = 72,385.51/x
  3. Step 3: Cross multiply
    132,816.17x = 183,280.96 × 72,385.51
  4. Step 4: Simplify right side
    132,816.17x = 13,266,885,395.17
  5. Step 5: Solve for x
    x = 13,266,885,395.17/132,816.17
  6. Step 6: Final answer
    x = 99,889.09

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1.5x scale

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.