Home / 153,410.75-211,525.68-105,036.13

Finding the Fourth Proportional to 153,410.75, 211,525.68 and 105,036.13

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Solution

The fourth proportional to 153,410.75, 211,525.68 and 105,036.13 is: 144,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,410.75 : 211,525.68 = 105,036.13 : x
  2. Step 2: Convert to fraction form
    153,410.75/211,525.68 = 105,036.13/x
  3. Step 3: Cross multiply
    153,410.75x = 211,525.68 × 105,036.13
  4. Step 4: Simplify right side
    153,410.75x = 22,217,838,822.82
  5. Step 5: Solve for x
    x = 22,217,838,822.82/153,410.75
  6. Step 6: Final answer
    x = 144,825.83

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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.