Home / 126,855.18-175,065.93-70,266.57

Finding the Fourth Proportional to 126,855.18, 175,065.93 and 70,266.57

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Solution

The fourth proportional to 126,855.18, 175,065.93 and 70,266.57 is: 96,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,855.18 : 175,065.93 = 70,266.57 : x
  2. Step 2: Convert to fraction form
    126,855.18/175,065.93 = 70,266.57/x
  3. Step 3: Cross multiply
    126,855.18x = 175,065.93 × 70,266.57
  4. Step 4: Simplify right side
    126,855.18x = 12,301,282,424.96
  5. Step 5: Solve for x
    x = 12,301,282,424.96/126,855.18
  6. Step 6: Final answer
    x = 96,971.07

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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.