Home / 289,442.74-433,416.38-199,762.18

Finding the Fourth Proportional to 289,442.74, 433,416.38 and 199,762.18

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Solution

The fourth proportional to 289,442.74, 433,416.38 and 199,762.18 is: 299,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,442.74 : 433,416.38 = 199,762.18 : x
  2. Step 2: Convert to fraction form
    289,442.74/433,416.38 = 199,762.18/x
  3. Step 3: Cross multiply
    289,442.74x = 433,416.38 × 199,762.18
  4. Step 4: Simplify right side
    289,442.74x = 86,580,200,916.51
  5. Step 5: Solve for x
    x = 86,580,200,916.51/289,442.74
  6. Step 6: Final answer
    x = 299,127.22

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1.5x scale

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.