Home / 113,973.70-157,264.25-63,669.70

Finding the Fourth Proportional to 113,973.70, 157,264.25 and 63,669.70

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Solution

The fourth proportional to 113,973.70, 157,264.25 and 63,669.70 is: 87,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,973.70 : 157,264.25 = 63,669.70 : x
  2. Step 2: Convert to fraction form
    113,973.70/157,264.25 = 63,669.70/x
  3. Step 3: Cross multiply
    113,973.70x = 157,264.25 × 63,669.70
  4. Step 4: Simplify right side
    113,973.70x = 10,012,967,618.23
  5. Step 5: Solve for x
    x = 10,012,967,618.23/113,973.70
  6. Step 6: Final answer
    x = 87,853.32

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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.