Home / 130,068.12-179,493.78-70,452.12

Finding the Fourth Proportional to 130,068.12, 179,493.78 and 70,452.12

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Solution

The fourth proportional to 130,068.12, 179,493.78 and 70,452.12 is: 97,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,068.12 : 179,493.78 = 70,452.12 : x
  2. Step 2: Convert to fraction form
    130,068.12/179,493.78 = 70,452.12/x
  3. Step 3: Cross multiply
    130,068.12x = 179,493.78 × 70,452.12
  4. Step 4: Simplify right side
    130,068.12x = 12,645,717,327.81
  5. Step 5: Solve for x
    x = 12,645,717,327.81/130,068.12
  6. Step 6: Final answer
    x = 97,223.80

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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.