Home / 153,102.40-211,232.53-92,653.72

Finding the Fourth Proportional to 153,102.40, 211,232.53 and 92,653.72

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Solution

The fourth proportional to 153,102.40, 211,232.53 and 92,653.72 is: 127,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,102.40 : 211,232.53 = 92,653.72 : x
  2. Step 2: Convert to fraction form
    153,102.40/211,232.53 = 92,653.72/x
  3. Step 3: Cross multiply
    153,102.40x = 211,232.53 × 92,653.72
  4. Step 4: Simplify right side
    153,102.40x = 19,571,479,689.51
  5. Step 5: Solve for x
    x = 19,571,479,689.51/153,102.40
  6. Step 6: Final answer
    x = 127,832.61

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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.