Home / 109,651.44-151,302.70-64,312.32

Finding the Fourth Proportional to 109,651.44, 151,302.70 and 64,312.32

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Solution

The fourth proportional to 109,651.44, 151,302.70 and 64,312.32 is: 88,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,651.44 : 151,302.70 = 64,312.32 : x
  2. Step 2: Convert to fraction form
    109,651.44/151,302.70 = 64,312.32/x
  3. Step 3: Cross multiply
    109,651.44x = 151,302.70 × 64,312.32
  4. Step 4: Simplify right side
    109,651.44x = 9,730,627,659.26
  5. Step 5: Solve for x
    x = 9,730,627,659.26/109,651.44
  6. Step 6: Final answer
    x = 88,741.45

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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.