Home / 153,256.48-211,492.56-86,187.04

Finding the Fourth Proportional to 153,256.48, 211,492.56 and 86,187.04

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Solution

The fourth proportional to 153,256.48, 211,492.56 and 86,187.04 is: 118,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,256.48 : 211,492.56 = 86,187.04 : x
  2. Step 2: Convert to fraction form
    153,256.48/211,492.56 = 86,187.04/x
  3. Step 3: Cross multiply
    153,256.48x = 211,492.56 × 86,187.04
  4. Step 4: Simplify right side
    153,256.48x = 18,227,917,728.42
  5. Step 5: Solve for x
    x = 18,227,917,728.42/153,256.48
  6. Step 6: Final answer
    x = 118,937.34

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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.