Home / 103,269.32-142,602.54-64,573.46

Finding the Fourth Proportional to 103,269.32, 142,602.54 and 64,573.46

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Solution

The fourth proportional to 103,269.32, 142,602.54 and 64,573.46 is: 89,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,269.32 : 142,602.54 = 64,573.46 : x
  2. Step 2: Convert to fraction form
    103,269.32/142,602.54 = 64,573.46/x
  3. Step 3: Cross multiply
    103,269.32x = 142,602.54 × 64,573.46
  4. Step 4: Simplify right side
    103,269.32x = 9,208,338,992.18
  5. Step 5: Solve for x
    x = 9,208,338,992.18/103,269.32
  6. Step 6: Final answer
    x = 89,168.20

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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.