Home / 156,948.70-235,423.05-83,220.70

Finding the Fourth Proportional to 156,948.70, 235,423.05 and 83,220.70

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Solution

The fourth proportional to 156,948.70, 235,423.05 and 83,220.70 is: 124,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,948.70 : 235,423.05 = 83,220.70 : x
  2. Step 2: Convert to fraction form
    156,948.70/235,423.05 = 83,220.70/x
  3. Step 3: Cross multiply
    156,948.70x = 235,423.05 × 83,220.70
  4. Step 4: Simplify right side
    156,948.70x = 19,592,071,017.14
  5. Step 5: Solve for x
    x = 19,592,071,017.14/156,948.70
  6. Step 6: Final answer
    x = 124,831.05

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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.