Home / 343,025.20-514,829.40-153,776.80

Finding the Fourth Proportional to 343,025.20, 514,829.40 and 153,776.80

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Solution

The fourth proportional to 343,025.20, 514,829.40 and 153,776.80 is: 230,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,025.20 : 514,829.40 = 153,776.80 : x
  2. Step 2: Convert to fraction form
    343,025.20/514,829.40 = 153,776.80/x
  3. Step 3: Cross multiply
    343,025.20x = 514,829.40 × 153,776.80
  4. Step 4: Simplify right side
    343,025.20x = 79,168,817,677.92
  5. Step 5: Solve for x
    x = 79,168,817,677.92/343,025.20
  6. Step 6: Final answer
    x = 230,795.92

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1.5x scale

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.