Home / 191,790.42-287,685.21-51,549.04

Finding the Fourth Proportional to 191,790.42, 287,685.21 and 51,549.04

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Solution

The fourth proportional to 191,790.42, 287,685.21 and 51,549.04 is: 77,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,790.42 : 287,685.21 = 51,549.04 : x
  2. Step 2: Convert to fraction form
    191,790.42/287,685.21 = 51,549.04/x
  3. Step 3: Cross multiply
    191,790.42x = 287,685.21 × 51,549.04
  4. Step 4: Simplify right side
    191,790.42x = 14,829,896,397.70
  5. Step 5: Solve for x
    x = 14,829,896,397.70/191,790.42
  6. Step 6: Final answer
    x = 77,323.45

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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.