Home / 127,573.28-176,045.12-70,210.72

Finding the Fourth Proportional to 127,573.28, 176,045.12 and 70,210.72

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Solution

The fourth proportional to 127,573.28, 176,045.12 and 70,210.72 is: 96,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,573.28 : 176,045.12 = 70,210.72 : x
  2. Step 2: Convert to fraction form
    127,573.28/176,045.12 = 70,210.72/x
  3. Step 3: Cross multiply
    127,573.28x = 176,045.12 × 70,210.72
  4. Step 4: Simplify right side
    127,573.28x = 12,360,254,627.69
  5. Step 5: Solve for x
    x = 12,360,254,627.69/127,573.28
  6. Step 6: Final answer
    x = 96,887.49

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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.