Home / 343,031.10-514,214.55-153,384.18

Finding the Fourth Proportional to 343,031.10, 514,214.55 and 153,384.18

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Solution

The fourth proportional to 343,031.10, 514,214.55 and 153,384.18 is: 229,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,031.10 : 514,214.55 = 153,384.18 : x
  2. Step 2: Convert to fraction form
    343,031.10/514,214.55 = 153,384.18/x
  3. Step 3: Cross multiply
    343,031.10x = 514,214.55 × 153,384.18
  4. Step 4: Simplify right side
    343,031.10x = 78,872,377,095.82
  5. Step 5: Solve for x
    x = 78,872,377,095.82/343,031.10
  6. Step 6: Final answer
    x = 229,927.77

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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.