Home / 219,159.40-328,547.10-148,810.60

Finding the Fourth Proportional to 219,159.40, 328,547.10 and 148,810.60

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Solution

The fourth proportional to 219,159.40, 328,547.10 and 148,810.60 is: 223,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,159.40 : 328,547.10 = 148,810.60 : x
  2. Step 2: Convert to fraction form
    219,159.40/328,547.10 = 148,810.60/x
  3. Step 3: Cross multiply
    219,159.40x = 328,547.10 × 148,810.60
  4. Step 4: Simplify right side
    219,159.40x = 48,891,291,079.26
  5. Step 5: Solve for x
    x = 48,891,291,079.26/219,159.40
  6. Step 6: Final answer
    x = 223,085.53

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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.