Home / 219,547.12-302,971.07-124,051.76

Finding the Fourth Proportional to 219,547.12, 302,971.07 and 124,051.76

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Solution

The fourth proportional to 219,547.12, 302,971.07 and 124,051.76 is: 171,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,547.12 : 302,971.07 = 124,051.76 : x
  2. Step 2: Convert to fraction form
    219,547.12/302,971.07 = 124,051.76/x
  3. Step 3: Cross multiply
    219,547.12x = 302,971.07 × 124,051.76
  4. Step 4: Simplify right side
    219,547.12x = 37,584,094,462.58
  5. Step 5: Solve for x
    x = 37,584,094,462.58/219,547.12
  6. Step 6: Final answer
    x = 171,189.19

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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.