Home / 151,043.04-208,444.75-83,065.18

Finding the Fourth Proportional to 151,043.04, 208,444.75 and 83,065.18

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Solution

The fourth proportional to 151,043.04, 208,444.75 and 83,065.18 is: 114,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,043.04 : 208,444.75 = 83,065.18 : x
  2. Step 2: Convert to fraction form
    151,043.04/208,444.75 = 83,065.18/x
  3. Step 3: Cross multiply
    151,043.04x = 208,444.75 × 83,065.18
  4. Step 4: Simplify right side
    151,043.04x = 17,314,500,678.81
  5. Step 5: Solve for x
    x = 17,314,500,678.81/151,043.04
  6. Step 6: Final answer
    x = 114,632.89

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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.