Home / 103,532.49-155,495.58-64,363.32

Finding the Fourth Proportional to 103,532.49, 155,495.58 and 64,363.32

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Solution

The fourth proportional to 103,532.49, 155,495.58 and 64,363.32 is: 96,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,532.49 : 155,495.58 = 64,363.32 : x
  2. Step 2: Convert to fraction form
    103,532.49/155,495.58 = 64,363.32/x
  3. Step 3: Cross multiply
    103,532.49x = 155,495.58 × 64,363.32
  4. Step 4: Simplify right side
    103,532.49x = 10,008,211,774.13
  5. Step 5: Solve for x
    x = 10,008,211,774.13/103,532.49
  6. Step 6: Final answer
    x = 96,667.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.