Home / 181,071.42-249,873.75-100,496.86

Finding the Fourth Proportional to 181,071.42, 249,873.75 and 100,496.86

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Solution

The fourth proportional to 181,071.42, 249,873.75 and 100,496.86 is: 138,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,071.42 : 249,873.75 = 100,496.86 : x
  2. Step 2: Convert to fraction form
    181,071.42/249,873.75 = 100,496.86/x
  3. Step 3: Cross multiply
    181,071.42x = 249,873.75 × 100,496.86
  4. Step 4: Simplify right side
    181,071.42x = 25,111,527,271.43
  5. Step 5: Solve for x
    x = 25,111,527,271.43/181,071.42
  6. Step 6: Final answer
    x = 138,683.00

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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.