Home / 153,878.48-231,223.64-82,853.63

Finding the Fourth Proportional to 153,878.48, 231,223.64 and 82,853.63

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Solution

The fourth proportional to 153,878.48, 231,223.64 and 82,853.63 is: 124,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,878.48 : 231,223.64 = 82,853.63 : x
  2. Step 2: Convert to fraction form
    153,878.48/231,223.64 = 82,853.63/x
  3. Step 3: Cross multiply
    153,878.48x = 231,223.64 × 82,853.63
  4. Step 4: Simplify right side
    153,878.48x = 19,157,717,501.55
  5. Step 5: Solve for x
    x = 19,157,717,501.55/153,878.48
  6. Step 6: Final answer
    x = 124,499.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.