Home / 130,674.60-180,334.98-74,088.36

Finding the Fourth Proportional to 130,674.60, 180,334.98 and 74,088.36

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Solution

The fourth proportional to 130,674.60, 180,334.98 and 74,088.36 is: 102,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,674.60 : 180,334.98 = 74,088.36 : x
  2. Step 2: Convert to fraction form
    130,674.60/180,334.98 = 74,088.36/x
  3. Step 3: Cross multiply
    130,674.60x = 180,334.98 × 74,088.36
  4. Step 4: Simplify right side
    130,674.60x = 13,360,722,918.83
  5. Step 5: Solve for x
    x = 13,360,722,918.83/130,674.60
  6. Step 6: Final answer
    x = 102,244.22

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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.