Home / 211,881.60-292,397.40-116,390.16

Finding the Fourth Proportional to 211,881.60, 292,397.40 and 116,390.16

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Solution

The fourth proportional to 211,881.60, 292,397.40 and 116,390.16 is: 160,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,881.60 : 292,397.40 = 116,390.16 : x
  2. Step 2: Convert to fraction form
    211,881.60/292,397.40 = 116,390.16/x
  3. Step 3: Cross multiply
    211,881.60x = 292,397.40 × 116,390.16
  4. Step 4: Simplify right side
    211,881.60x = 34,032,180,169.58
  5. Step 5: Solve for x
    x = 34,032,180,169.58/211,881.60
  6. Step 6: Final answer
    x = 160,618.86

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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.