Home / 127,376.10-191,258.55-97,827.30

Finding the Fourth Proportional to 127,376.10, 191,258.55 and 97,827.30

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Solution

The fourth proportional to 127,376.10, 191,258.55 and 97,827.30 is: 146,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.10 : 191,258.55 = 97,827.30 : x
  2. Step 2: Convert to fraction form
    127,376.10/191,258.55 = 97,827.30/x
  3. Step 3: Cross multiply
    127,376.10x = 191,258.55 × 97,827.30
  4. Step 4: Simplify right side
    127,376.10x = 18,710,307,548.42
  5. Step 5: Solve for x
    x = 18,710,307,548.42/127,376.10
  6. Step 6: Final answer
    x = 146,890.25

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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.