Home / 118,020.70-162,869.30-70,276.06

Finding the Fourth Proportional to 118,020.70, 162,869.30 and 70,276.06

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Solution

The fourth proportional to 118,020.70, 162,869.30 and 70,276.06 is: 96,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.70 : 162,869.30 = 70,276.06 : x
  2. Step 2: Convert to fraction form
    118,020.70/162,869.30 = 70,276.06/x
  3. Step 3: Cross multiply
    118,020.70x = 162,869.30 × 70,276.06
  4. Step 4: Simplify right side
    118,020.70x = 11,445,812,698.96
  5. Step 5: Solve for x
    x = 11,445,812,698.96/118,020.70
  6. Step 6: Final answer
    x = 96,981.40

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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.