Home / 129,925.38-179,297.02-70,309.38

Finding the Fourth Proportional to 129,925.38, 179,297.02 and 70,309.38

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Solution

The fourth proportional to 129,925.38, 179,297.02 and 70,309.38 is: 97,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,925.38 : 179,297.02 = 70,309.38 : x
  2. Step 2: Convert to fraction form
    129,925.38/179,297.02 = 70,309.38/x
  3. Step 3: Cross multiply
    129,925.38x = 179,297.02 × 70,309.38
  4. Step 4: Simplify right side
    129,925.38x = 12,606,262,312.05
  5. Step 5: Solve for x
    x = 12,606,262,312.05/129,925.38
  6. Step 6: Final answer
    x = 97,026.94

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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.