Home / 191,577.69-287,411.22-58,457.70

Finding the Fourth Proportional to 191,577.69, 287,411.22 and 58,457.70

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Solution

The fourth proportional to 191,577.69, 287,411.22 and 58,457.70 is: 87,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,577.69 : 287,411.22 = 58,457.70 : x
  2. Step 2: Convert to fraction form
    191,577.69/287,411.22 = 58,457.70/x
  3. Step 3: Cross multiply
    191,577.69x = 287,411.22 × 58,457.70
  4. Step 4: Simplify right side
    191,577.69x = 16,801,398,875.39
  5. Step 5: Solve for x
    x = 16,801,398,875.39/191,577.69
  6. Step 6: Final answer
    x = 87,700.19

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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.