Home / 401,613.48-602,424.54-121,133.16

Finding the Fourth Proportional to 401,613.48, 602,424.54 and 121,133.16

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Solution

The fourth proportional to 401,613.48, 602,424.54 and 121,133.16 is: 181,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,613.48 : 602,424.54 = 121,133.16 : x
  2. Step 2: Convert to fraction form
    401,613.48/602,424.54 = 121,133.16/x
  3. Step 3: Cross multiply
    401,613.48x = 602,424.54 × 121,133.16
  4. Step 4: Simplify right side
    401,613.48x = 72,973,588,191.75
  5. Step 5: Solve for x
    x = 72,973,588,191.75/401,613.48
  6. Step 6: Final answer
    x = 181,701.04

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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.