Home / 127,607.81-191,411.71-34,111.13

Finding the Fourth Proportional to 127,607.81, 191,411.71 and 34,111.13

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Solution

The fourth proportional to 127,607.81, 191,411.71 and 34,111.13 is: 51,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607.81 : 191,411.71 = 34,111.13 : x
  2. Step 2: Convert to fraction form
    127,607.81/191,411.71 = 34,111.13/x
  3. Step 3: Cross multiply
    127,607.81x = 191,411.71 × 34,111.13
  4. Step 4: Simplify right side
    127,607.81x = 6,529,268,681.00
  5. Step 5: Solve for x
    x = 6,529,268,681.00/127,607.81
  6. Step 6: Final answer
    x = 51,166.69

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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.