Home / 110,930.42-153,111.48-63,212.06

Finding the Fourth Proportional to 110,930.42, 153,111.48 and 63,212.06

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Solution

The fourth proportional to 110,930.42, 153,111.48 and 63,212.06 is: 87,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,930.42 : 153,111.48 = 63,212.06 : x
  2. Step 2: Convert to fraction form
    110,930.42/153,111.48 = 63,212.06/x
  3. Step 3: Cross multiply
    110,930.42x = 153,111.48 × 63,212.06
  4. Step 4: Simplify right side
    110,930.42x = 9,678,492,060.45
  5. Step 5: Solve for x
    x = 9,678,492,060.45/110,930.42
  6. Step 6: Final answer
    x = 87,248.31

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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.