Home / 611,001.39-916,547.04-161,719.23

Finding the Fourth Proportional to 611,001.39, 916,547.04 and 161,719.23

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Solution

The fourth proportional to 611,001.39, 916,547.04 and 161,719.23 is: 242,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,001.39 : 916,547.04 = 161,719.23 : x
  2. Step 2: Convert to fraction form
    611,001.39/916,547.04 = 161,719.23/x
  3. Step 3: Cross multiply
    611,001.39x = 916,547.04 × 161,719.23
  4. Step 4: Simplify right side
    611,001.39x = 148,223,281,567.58
  5. Step 5: Solve for x
    x = 148,223,281,567.58/611,001.39
  6. Step 6: Final answer
    x = 242,590.74

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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.