Home / 153,032.26-211,184.32-85,047.08

Finding the Fourth Proportional to 153,032.26, 211,184.32 and 85,047.08

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Solution

The fourth proportional to 153,032.26, 211,184.32 and 85,047.08 is: 117,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,032.26 : 211,184.32 = 85,047.08 : x
  2. Step 2: Convert to fraction form
    153,032.26/211,184.32 = 85,047.08/x
  3. Step 3: Cross multiply
    153,032.26x = 211,184.32 × 85,047.08
  4. Step 4: Simplify right side
    153,032.26x = 17,960,609,757.79
  5. Step 5: Solve for x
    x = 17,960,609,757.79/153,032.26
  6. Step 6: Final answer
    x = 117,364.86

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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.