Home / 118,165.53-163,071.23-64,455.55

Finding the Fourth Proportional to 118,165.53, 163,071.23 and 64,455.55

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Solution

The fourth proportional to 118,165.53, 163,071.23 and 64,455.55 is: 88,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,165.53 : 163,071.23 = 64,455.55 : x
  2. Step 2: Convert to fraction form
    118,165.53/163,071.23 = 64,455.55/x
  3. Step 3: Cross multiply
    118,165.53x = 163,071.23 × 64,455.55
  4. Step 4: Simplify right side
    118,165.53x = 10,510,845,088.87
  5. Step 5: Solve for x
    x = 10,510,845,088.87/118,165.53
  6. Step 6: Final answer
    x = 88,950.18

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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.