Home / 126,345.51-174,357.18-68,985.33

Finding the Fourth Proportional to 126,345.51, 174,357.18 and 68,985.33

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Solution

The fourth proportional to 126,345.51, 174,357.18 and 68,985.33 is: 95,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.51 : 174,357.18 = 68,985.33 : x
  2. Step 2: Convert to fraction form
    126,345.51/174,357.18 = 68,985.33/x
  3. Step 3: Cross multiply
    126,345.51x = 174,357.18 × 68,985.33
  4. Step 4: Simplify right side
    126,345.51x = 12,028,088,036.06
  5. Step 5: Solve for x
    x = 12,028,088,036.06/126,345.51
  6. Step 6: Final answer
    x = 95,199.96

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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.