Home / 113,315.72-170,648.16-98,701.16

Finding the Fourth Proportional to 113,315.72, 170,648.16 and 98,701.16

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Solution

The fourth proportional to 113,315.72, 170,648.16 and 98,701.16 is: 148,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,315.72 : 170,648.16 = 98,701.16 : x
  2. Step 2: Convert to fraction form
    113,315.72/170,648.16 = 98,701.16/x
  3. Step 3: Cross multiply
    113,315.72x = 170,648.16 × 98,701.16
  4. Step 4: Simplify right side
    113,315.72x = 16,843,171,343.87
  5. Step 5: Solve for x
    x = 16,843,171,343.87/113,315.72
  6. Step 6: Final answer
    x = 148,639.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.