Home / 127,862.69-176,449.07-70,507.01

Finding the Fourth Proportional to 127,862.69, 176,449.07 and 70,507.01

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Solution

The fourth proportional to 127,862.69, 176,449.07 and 70,507.01 is: 97,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,862.69 : 176,449.07 = 70,507.01 : x
  2. Step 2: Convert to fraction form
    127,862.69/176,449.07 = 70,507.01/x
  3. Step 3: Cross multiply
    127,862.69x = 176,449.07 × 70,507.01
  4. Step 4: Simplify right side
    127,862.69x = 12,440,896,960.37
  5. Step 5: Solve for x
    x = 12,440,896,960.37/127,862.69
  6. Step 6: Final answer
    x = 97,298.89

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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.