Home / 147,376.98-203,383.53-86,962.32

Finding the Fourth Proportional to 147,376.98, 203,383.53 and 86,962.32

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Solution

The fourth proportional to 147,376.98, 203,383.53 and 86,962.32 is: 120,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,376.98 : 203,383.53 = 86,962.32 : x
  2. Step 2: Convert to fraction form
    147,376.98/203,383.53 = 86,962.32/x
  3. Step 3: Cross multiply
    147,376.98x = 203,383.53 × 86,962.32
  4. Step 4: Simplify right side
    147,376.98x = 17,686,703,618.59
  5. Step 5: Solve for x
    x = 17,686,703,618.59/147,376.98
  6. Step 6: Final answer
    x = 120,009.95

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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.