Home / 127,928.46-176,541.94-70,569.78

Finding the Fourth Proportional to 127,928.46, 176,541.94 and 70,569.78

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Solution

The fourth proportional to 127,928.46, 176,541.94 and 70,569.78 is: 97,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,928.46 : 176,541.94 = 70,569.78 : x
  2. Step 2: Convert to fraction form
    127,928.46/176,541.94 = 70,569.78/x
  3. Step 3: Cross multiply
    127,928.46x = 176,541.94 × 70,569.78
  4. Step 4: Simplify right side
    127,928.46x = 12,458,525,866.57
  5. Step 5: Solve for x
    x = 12,458,525,866.57/127,928.46
  6. Step 6: Final answer
    x = 97,386.66

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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.