Home / 211,823.75-292,316.43-116,330.45

Finding the Fourth Proportional to 211,823.75, 292,316.43 and 116,330.45

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Solution

The fourth proportional to 211,823.75, 292,316.43 and 116,330.45 is: 160,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,823.75 : 292,316.43 = 116,330.45 : x
  2. Step 2: Convert to fraction form
    211,823.75/292,316.43 = 116,330.45/x
  3. Step 3: Cross multiply
    211,823.75x = 292,316.43 × 116,330.45
  4. Step 4: Simplify right side
    211,823.75x = 34,005,300,164.59
  5. Step 5: Solve for x
    x = 34,005,300,164.59/211,823.75
  6. Step 6: Final answer
    x = 160,535.82

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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.