Home / 176,258.80-243,211.48-100,792.72

Finding the Fourth Proportional to 176,258.80, 243,211.48 and 100,792.72

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Solution

The fourth proportional to 176,258.80, 243,211.48 and 100,792.72 is: 139,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,258.80 : 243,211.48 = 100,792.72 : x
  2. Step 2: Convert to fraction form
    176,258.80/243,211.48 = 100,792.72/x
  3. Step 3: Cross multiply
    176,258.80x = 243,211.48 × 100,792.72
  4. Step 4: Simplify right side
    176,258.80x = 24,513,946,656.46
  5. Step 5: Solve for x
    x = 24,513,946,656.46/176,258.80
  6. Step 6: Final answer
    x = 139,079.28

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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.