Home / 354,541.87-531,814.76-88,302.40

Finding the Fourth Proportional to 354,541.87, 531,814.76 and 88,302.40

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Solution

The fourth proportional to 354,541.87, 531,814.76 and 88,302.40 is: 132,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,541.87 : 531,814.76 = 88,302.40 : x
  2. Step 2: Convert to fraction form
    354,541.87/531,814.76 = 88,302.40/x
  3. Step 3: Cross multiply
    354,541.87x = 531,814.76 × 88,302.40
  4. Step 4: Simplify right side
    354,541.87x = 46,960,518,223.51
  5. Step 5: Solve for x
    x = 46,960,518,223.51/354,541.87
  6. Step 6: Final answer
    x = 132,454.08

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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.