Home / 153,319.51-211,554.59-140,917.66

Finding the Fourth Proportional to 153,319.51, 211,554.59 and 140,917.66

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Solution

The fourth proportional to 153,319.51, 211,554.59 and 140,917.66 is: 194,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,319.51 : 211,554.59 = 140,917.66 : x
  2. Step 2: Convert to fraction form
    153,319.51/211,554.59 = 140,917.66/x
  3. Step 3: Cross multiply
    153,319.51x = 211,554.59 × 140,917.66
  4. Step 4: Simplify right side
    153,319.51x = 29,811,777,080.47
  5. Step 5: Solve for x
    x = 29,811,777,080.47/153,319.51
  6. Step 6: Final answer
    x = 194,442.16

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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.