Home / 130,088.78-195,146.15-35,320.49

Finding the Fourth Proportional to 130,088.78, 195,146.15 and 35,320.49

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Solution

The fourth proportional to 130,088.78, 195,146.15 and 35,320.49 is: 52,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,088.78 : 195,146.15 = 35,320.49 : x
  2. Step 2: Convert to fraction form
    130,088.78/195,146.15 = 35,320.49/x
  3. Step 3: Cross multiply
    130,088.78x = 195,146.15 × 35,320.49
  4. Step 4: Simplify right side
    130,088.78x = 6,892,657,219.08
  5. Step 5: Solve for x
    x = 6,892,657,219.08/130,088.78
  6. Step 6: Final answer
    x = 52,984.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.