Home / 127,554.16-191,334.40-61,001.32

Finding the Fourth Proportional to 127,554.16, 191,334.40 and 61,001.32

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Solution

The fourth proportional to 127,554.16, 191,334.40 and 61,001.32 is: 91,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,554.16 : 191,334.40 = 61,001.32 : x
  2. Step 2: Convert to fraction form
    127,554.16/191,334.40 = 61,001.32/x
  3. Step 3: Cross multiply
    127,554.16x = 191,334.40 × 61,001.32
  4. Step 4: Simplify right side
    127,554.16x = 11,671,650,961.41
  5. Step 5: Solve for x
    x = 11,671,650,961.41/127,554.16
  6. Step 6: Final answer
    x = 91,503.49

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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.