Home / 127,988.37-176,622.50-70,628.13

Finding the Fourth Proportional to 127,988.37, 176,622.50 and 70,628.13

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Solution

The fourth proportional to 127,988.37, 176,622.50 and 70,628.13 is: 97,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,988.37 : 176,622.50 = 70,628.13 : x
  2. Step 2: Convert to fraction form
    127,988.37/176,622.50 = 70,628.13/x
  3. Step 3: Cross multiply
    127,988.37x = 176,622.50 × 70,628.13
  4. Step 4: Simplify right side
    127,988.37x = 12,474,516,537.78
  5. Step 5: Solve for x
    x = 12,474,516,537.78/127,988.37
  6. Step 6: Final answer
    x = 97,466.02

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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.