Home / 230,076.32-317,502.77-128,099.57

Finding the Fourth Proportional to 230,076.32, 317,502.77 and 128,099.57

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Solution

The fourth proportional to 230,076.32, 317,502.77 and 128,099.57 is: 176,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,076.32 : 317,502.77 = 128,099.57 : x
  2. Step 2: Convert to fraction form
    230,076.32/317,502.77 = 128,099.57/x
  3. Step 3: Cross multiply
    230,076.32x = 317,502.77 × 128,099.57
  4. Step 4: Simplify right side
    230,076.32x = 40,671,966,082.80
  5. Step 5: Solve for x
    x = 40,671,966,082.80/230,076.32
  6. Step 6: Final answer
    x = 176,775.98

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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.