Home / 358,085.10-537,126.69-133,440.42

Finding the Fourth Proportional to 358,085.10, 537,126.69 and 133,440.42

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Solution

The fourth proportional to 358,085.10, 537,126.69 and 133,440.42 is: 200,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,085.10 : 537,126.69 = 133,440.42 : x
  2. Step 2: Convert to fraction form
    358,085.10/537,126.69 = 133,440.42/x
  3. Step 3: Cross multiply
    358,085.10x = 537,126.69 × 133,440.42
  4. Step 4: Simplify right side
    358,085.10x = 71,674,411,106.81
  5. Step 5: Solve for x
    x = 71,674,411,106.81/358,085.10
  6. Step 6: Final answer
    x = 200,160.27

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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.