Home / 130,158.09-179,603.53-73,569.47

Finding the Fourth Proportional to 130,158.09, 179,603.53 and 73,569.47

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Solution

The fourth proportional to 130,158.09, 179,603.53 and 73,569.47 is: 101,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,158.09 : 179,603.53 = 73,569.47 : x
  2. Step 2: Convert to fraction form
    130,158.09/179,603.53 = 73,569.47/x
  3. Step 3: Cross multiply
    130,158.09x = 179,603.53 × 73,569.47
  4. Step 4: Simplify right side
    130,158.09x = 13,213,335,430.29
  5. Step 5: Solve for x
    x = 13,213,335,430.29/130,158.09
  6. Step 6: Final answer
    x = 101,517.59

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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.