Home / 156,923.34-216,549.65-88,946.57

Finding the Fourth Proportional to 156,923.34, 216,549.65 and 88,946.57

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Solution

The fourth proportional to 156,923.34, 216,549.65 and 88,946.57 is: 122,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.34 : 216,549.65 = 88,946.57 : x
  2. Step 2: Convert to fraction form
    156,923.34/216,549.65 = 88,946.57/x
  3. Step 3: Cross multiply
    156,923.34x = 216,549.65 × 88,946.57
  4. Step 4: Simplify right side
    156,923.34x = 19,261,349,365.94
  5. Step 5: Solve for x
    x = 19,261,349,365.94/156,923.34
  6. Step 6: Final answer
    x = 122,743.69

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1.5x scale

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.