Home / 118,427.22-163,429.16-64,712.70

Finding the Fourth Proportional to 118,427.22, 163,429.16 and 64,712.70

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Solution

The fourth proportional to 118,427.22, 163,429.16 and 64,712.70 is: 89,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,427.22 : 163,429.16 = 64,712.70 : x
  2. Step 2: Convert to fraction form
    118,427.22/163,429.16 = 64,712.70/x
  3. Step 3: Cross multiply
    118,427.22x = 163,429.16 × 64,712.70
  4. Step 4: Simplify right side
    118,427.22x = 10,575,941,878.77
  5. Step 5: Solve for x
    x = 10,575,941,878.77/118,427.22
  6. Step 6: Final answer
    x = 89,303.30

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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.