Home / 282,556.71-390,030.57-187,094.16

Finding the Fourth Proportional to 282,556.71, 390,030.57 and 187,094.16

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Solution

The fourth proportional to 282,556.71, 390,030.57 and 187,094.16 is: 258,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,556.71 : 390,030.57 = 187,094.16 : x
  2. Step 2: Convert to fraction form
    282,556.71/390,030.57 = 187,094.16/x
  3. Step 3: Cross multiply
    282,556.71x = 390,030.57 × 187,094.16
  4. Step 4: Simplify right side
    282,556.71x = 72,972,441,868.47
  5. Step 5: Solve for x
    x = 72,972,441,868.47/282,556.71
  6. Step 6: Final answer
    x = 258,257.69

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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.