Home / 572,643.51-858,746.21-188,302.83

Finding the Fourth Proportional to 572,643.51, 858,746.21 and 188,302.83

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Solution

The fourth proportional to 572,643.51, 858,746.21 and 188,302.83 is: 282,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,643.51 : 858,746.21 = 188,302.83 : x
  2. Step 2: Convert to fraction form
    572,643.51/858,746.21 = 188,302.83/x
  3. Step 3: Cross multiply
    572,643.51x = 858,746.21 × 188,302.83
  4. Step 4: Simplify right side
    572,643.51x = 161,704,340,653.26
  5. Step 5: Solve for x
    x = 161,704,340,653.26/572,643.51
  6. Step 6: Final answer
    x = 282,382.21

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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.