Home / 117,495.32-162,146.49-63,780.35

Finding the Fourth Proportional to 117,495.32, 162,146.49 and 63,780.35

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Solution

The fourth proportional to 117,495.32, 162,146.49 and 63,780.35 is: 88,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,495.32 : 162,146.49 = 63,780.35 : x
  2. Step 2: Convert to fraction form
    117,495.32/162,146.49 = 63,780.35/x
  3. Step 3: Cross multiply
    117,495.32x = 162,146.49 × 63,780.35
  4. Step 4: Simplify right side
    117,495.32x = 10,341,759,072.74
  5. Step 5: Solve for x
    x = 10,341,759,072.74/117,495.32
  6. Step 6: Final answer
    x = 88,018.48

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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.