Home / 382,133.19-572,411.75-223,881.51

Finding the Fourth Proportional to 382,133.19, 572,411.75 and 223,881.51

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Solution

The fourth proportional to 382,133.19, 572,411.75 and 223,881.51 is: 335,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,133.19 : 572,411.75 = 223,881.51 : x
  2. Step 2: Convert to fraction form
    382,133.19/572,411.75 = 223,881.51/x
  3. Step 3: Cross multiply
    382,133.19x = 572,411.75 × 223,881.51
  4. Step 4: Simplify right side
    382,133.19x = 128,152,405,812.34
  5. Step 5: Solve for x
    x = 128,152,405,812.34/382,133.19
  6. Step 6: Final answer
    x = 335,360.57

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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.