Home / 147,423.74-221,004.68-57,445.62

Finding the Fourth Proportional to 147,423.74, 221,004.68 and 57,445.62

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Solution

The fourth proportional to 147,423.74, 221,004.68 and 57,445.62 is: 86,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,423.74 : 221,004.68 = 57,445.62 : x
  2. Step 2: Convert to fraction form
    147,423.74/221,004.68 = 57,445.62/x
  3. Step 3: Cross multiply
    147,423.74x = 221,004.68 × 57,445.62
  4. Step 4: Simplify right side
    147,423.74x = 12,695,750,865.50
  5. Step 5: Solve for x
    x = 12,695,750,865.50/147,423.74
  6. Step 6: Final answer
    x = 86,117.41

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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.