Home / 154,161.17-212,776.71-93,719

Finding the Fourth Proportional to 154,161.17, 212,776.71 and 93,719

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Solution

The fourth proportional to 154,161.17, 212,776.71 and 93,719 is: 129,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,161.17 : 212,776.71 = 93,719 : x
  2. Step 2: Convert to fraction form
    154,161.17/212,776.71 = 93,719/x
  3. Step 3: Cross multiply
    154,161.17x = 212,776.71 × 93,719
  4. Step 4: Simplify right side
    154,161.17x = 19,941,220,484.49
  5. Step 5: Solve for x
    x = 19,941,220,484.49/154,161.17
  6. Step 6: Final answer
    x = 129,353.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.