Home / 113,275.68-156,281.50-70,239.67

Finding the Fourth Proportional to 113,275.68, 156,281.50 and 70,239.67

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Solution

The fourth proportional to 113,275.68, 156,281.50 and 70,239.67 is: 96,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,275.68 : 156,281.50 = 70,239.67 : x
  2. Step 2: Convert to fraction form
    113,275.68/156,281.50 = 70,239.67/x
  3. Step 3: Cross multiply
    113,275.68x = 156,281.50 × 70,239.67
  4. Step 4: Simplify right side
    113,275.68x = 10,977,160,684.20
  5. Step 5: Solve for x
    x = 10,977,160,684.20/113,275.68
  6. Step 6: Final answer
    x = 96,906.60

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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.