Home / 170,686.36-235,509.48-99,024.88

Finding the Fourth Proportional to 170,686.36, 235,509.48 and 99,024.88

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Solution

The fourth proportional to 170,686.36, 235,509.48 and 99,024.88 is: 136,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,686.36 : 235,509.48 = 99,024.88 : x
  2. Step 2: Convert to fraction form
    170,686.36/235,509.48 = 99,024.88/x
  3. Step 3: Cross multiply
    170,686.36x = 235,509.48 × 99,024.88
  4. Step 4: Simplify right side
    170,686.36x = 23,321,297,995.86
  5. Step 5: Solve for x
    x = 23,321,297,995.86/170,686.36
  6. Step 6: Final answer
    x = 136,632.46

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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.