Home / 132,641.15-183,038.82-72,210.26

Finding the Fourth Proportional to 132,641.15, 183,038.82 and 72,210.26

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Solution

The fourth proportional to 132,641.15, 183,038.82 and 72,210.26 is: 99,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,641.15 : 183,038.82 = 72,210.26 : x
  2. Step 2: Convert to fraction form
    132,641.15/183,038.82 = 72,210.26/x
  3. Step 3: Cross multiply
    132,641.15x = 183,038.82 × 72,210.26
  4. Step 4: Simplify right side
    132,641.15x = 13,217,280,782.29
  5. Step 5: Solve for x
    x = 13,217,280,782.29/132,641.15
  6. Step 6: Final answer
    x = 99,646.91

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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.