Home / 185,826.60-256,186.80-127,681.56

Finding the Fourth Proportional to 185,826.60, 256,186.80 and 127,681.56

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Solution

The fourth proportional to 185,826.60, 256,186.80 and 127,681.56 is: 176,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,826.60 : 256,186.80 = 127,681.56 : x
  2. Step 2: Convert to fraction form
    185,826.60/256,186.80 = 127,681.56/x
  3. Step 3: Cross multiply
    185,826.60x = 256,186.80 × 127,681.56
  4. Step 4: Simplify right side
    185,826.60x = 32,710,330,275.41
  5. Step 5: Solve for x
    x = 32,710,330,275.41/185,826.60
  6. Step 6: Final answer
    x = 176,026.09

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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.