Home / 282,632.05-390,033.78-153,571.55

Finding the Fourth Proportional to 282,632.05, 390,033.78 and 153,571.55

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Solution

The fourth proportional to 282,632.05, 390,033.78 and 153,571.55 is: 211,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,632.05 : 390,033.78 = 153,571.55 : x
  2. Step 2: Convert to fraction form
    282,632.05/390,033.78 = 153,571.55/x
  3. Step 3: Cross multiply
    282,632.05x = 390,033.78 × 153,571.55
  4. Step 4: Simplify right side
    282,632.05x = 59,898,090,484.74
  5. Step 5: Solve for x
    x = 59,898,090,484.74/282,632.05
  6. Step 6: Final answer
    x = 211,929.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.