Home / 113,973.20-157,263.56-63,669.20

Finding the Fourth Proportional to 113,973.20, 157,263.56 and 63,669.20

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Solution

The fourth proportional to 113,973.20, 157,263.56 and 63,669.20 is: 87,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,973.20 : 157,263.56 = 63,669.20 : x
  2. Step 2: Convert to fraction form
    113,973.20/157,263.56 = 63,669.20/x
  3. Step 3: Cross multiply
    113,973.20x = 157,263.56 × 63,669.20
  4. Step 4: Simplify right side
    113,973.20x = 10,012,845,054.35
  5. Step 5: Solve for x
    x = 10,012,845,054.35/113,973.20
  6. Step 6: Final answer
    x = 87,852.63

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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.