Home / 132,852.43-183,329.57-72,417.12

Finding the Fourth Proportional to 132,852.43, 183,329.57 and 72,417.12

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Solution

The fourth proportional to 132,852.43, 183,329.57 and 72,417.12 is: 99,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,852.43 : 183,329.57 = 72,417.12 : x
  2. Step 2: Convert to fraction form
    132,852.43/183,329.57 = 72,417.12/x
  3. Step 3: Cross multiply
    132,852.43x = 183,329.57 × 72,417.12
  4. Step 4: Simplify right side
    132,852.43x = 13,276,198,649.83
  5. Step 5: Solve for x
    x = 13,276,198,649.83/132,852.43
  6. Step 6: Final answer
    x = 99,931.92

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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.