Home / 129,974.25-179,364.95-70,358.25

Finding the Fourth Proportional to 129,974.25, 179,364.95 and 70,358.25

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Solution

The fourth proportional to 129,974.25, 179,364.95 and 70,358.25 is: 97,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,974.25 : 179,364.95 = 70,358.25 : x
  2. Step 2: Convert to fraction form
    129,974.25/179,364.95 = 70,358.25/x
  3. Step 3: Cross multiply
    129,974.25x = 179,364.95 × 70,358.25
  4. Step 4: Simplify right side
    129,974.25x = 12,619,803,641.55
  5. Step 5: Solve for x
    x = 12,619,803,641.55/129,974.25
  6. Step 6: Final answer
    x = 97,094.64

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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.