Home / 100,693.44-151,030.40-30,573.36

Finding the Fourth Proportional to 100,693.44, 151,030.40 and 30,573.36

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Solution

The fourth proportional to 100,693.44, 151,030.40 and 30,573.36 is: 45,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,693.44 : 151,030.40 = 30,573.36 : x
  2. Step 2: Convert to fraction form
    100,693.44/151,030.40 = 30,573.36/x
  3. Step 3: Cross multiply
    100,693.44x = 151,030.40 × 30,573.36
  4. Step 4: Simplify right side
    100,693.44x = 4,617,506,637.28
  5. Step 5: Solve for x
    x = 4,617,506,637.28/100,693.44
  6. Step 6: Final answer
    x = 45,857.08

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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.