Home / 127,622.81-191,307.40-60,985.13

Finding the Fourth Proportional to 127,622.81, 191,307.40 and 60,985.13

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Solution

The fourth proportional to 127,622.81, 191,307.40 and 60,985.13 is: 91,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,622.81 : 191,307.40 = 60,985.13 : x
  2. Step 2: Convert to fraction form
    127,622.81/191,307.40 = 60,985.13/x
  3. Step 3: Cross multiply
    127,622.81x = 191,307.40 × 60,985.13
  4. Step 4: Simplify right side
    127,622.81x = 11,666,905,549.96
  5. Step 5: Solve for x
    x = 11,666,905,549.96/127,622.81
  6. Step 6: Final answer
    x = 91,417.09

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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.