Home / 130,055.77-179,496.02-76,370.18

Finding the Fourth Proportional to 130,055.77, 179,496.02 and 76,370.18

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Solution

The fourth proportional to 130,055.77, 179,496.02 and 76,370.18 is: 105,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,055.77 : 179,496.02 = 76,370.18 : x
  2. Step 2: Convert to fraction form
    130,055.77/179,496.02 = 76,370.18/x
  3. Step 3: Cross multiply
    130,055.77x = 179,496.02 × 76,370.18
  4. Step 4: Simplify right side
    130,055.77x = 13,708,142,974.83
  5. Step 5: Solve for x
    x = 13,708,142,974.83/130,055.77
  6. Step 6: Final answer
    x = 105,402.04

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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.