Home / 105,368.04-158,091.48-54,735.48

Finding the Fourth Proportional to 105,368.04, 158,091.48 and 54,735.48

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Solution

The fourth proportional to 105,368.04, 158,091.48 and 54,735.48 is: 82,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,368.04 : 158,091.48 = 54,735.48 : x
  2. Step 2: Convert to fraction form
    105,368.04/158,091.48 = 54,735.48/x
  3. Step 3: Cross multiply
    105,368.04x = 158,091.48 × 54,735.48
  4. Step 4: Simplify right side
    105,368.04x = 8,653,213,041.71
  5. Step 5: Solve for x
    x = 8,653,213,041.71/105,368.04
  6. Step 6: Final answer
    x = 82,123.70

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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.