Home / 142,358.04-196,484.13-118,461.42

Finding the Fourth Proportional to 142,358.04, 196,484.13 and 118,461.42

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Solution

The fourth proportional to 142,358.04, 196,484.13 and 118,461.42 is: 163,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,358.04 : 196,484.13 = 118,461.42 : x
  2. Step 2: Convert to fraction form
    142,358.04/196,484.13 = 118,461.42/x
  3. Step 3: Cross multiply
    142,358.04x = 196,484.13 × 118,461.42
  4. Step 4: Simplify right side
    142,358.04x = 23,275,789,047.26
  5. Step 5: Solve for x
    x = 23,275,789,047.26/142,358.04
  6. Step 6: Final answer
    x = 163,501.75

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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.