Home / 158,955.81-219,267.77-99,236.13

Finding the Fourth Proportional to 158,955.81, 219,267.77 and 99,236.13

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Solution

The fourth proportional to 158,955.81, 219,267.77 and 99,236.13 is: 136,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,955.81 : 219,267.77 = 99,236.13 : x
  2. Step 2: Convert to fraction form
    158,955.81/219,267.77 = 99,236.13/x
  3. Step 3: Cross multiply
    158,955.81x = 219,267.77 × 99,236.13
  4. Step 4: Simplify right side
    158,955.81x = 21,759,284,928.53
  5. Step 5: Solve for x
    x = 21,759,284,928.53/158,955.81
  6. Step 6: Final answer
    x = 136,888.89

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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.