Home / 127,795.02-176,357.85-74,111.91

Finding the Fourth Proportional to 127,795.02, 176,357.85 and 74,111.91

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Solution

The fourth proportional to 127,795.02, 176,357.85 and 74,111.91 is: 102,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795.02 : 176,357.85 = 74,111.91 : x
  2. Step 2: Convert to fraction form
    127,795.02/176,357.85 = 74,111.91/x
  3. Step 3: Cross multiply
    127,795.02x = 176,357.85 × 74,111.91
  4. Step 4: Simplify right side
    127,795.02x = 13,070,217,106.99
  5. Step 5: Solve for x
    x = 13,070,217,106.99/127,795.02
  6. Step 6: Final answer
    x = 102,274.85

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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.