Home / 130,827.13-196,116.10-42,018.35

Finding the Fourth Proportional to 130,827.13, 196,116.10 and 42,018.35

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Solution

The fourth proportional to 130,827.13, 196,116.10 and 42,018.35 is: 62,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,827.13 : 196,116.10 = 42,018.35 : x
  2. Step 2: Convert to fraction form
    130,827.13/196,116.10 = 42,018.35/x
  3. Step 3: Cross multiply
    130,827.13x = 196,116.10 × 42,018.35
  4. Step 4: Simplify right side
    130,827.13x = 8,240,473,844.81
  5. Step 5: Solve for x
    x = 8,240,473,844.81/130,827.13
  6. Step 6: Final answer
    x = 62,987.50

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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.