Home / 209,775.23-289,492.95-114,281.90

Finding the Fourth Proportional to 209,775.23, 289,492.95 and 114,281.90

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Solution

The fourth proportional to 209,775.23, 289,492.95 and 114,281.90 is: 157,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,775.23 : 289,492.95 = 114,281.90 : x
  2. Step 2: Convert to fraction form
    209,775.23/289,492.95 = 114,281.90/x
  3. Step 3: Cross multiply
    209,775.23x = 289,492.95 × 114,281.90
  4. Step 4: Simplify right side
    209,775.23x = 33,083,802,915.14
  5. Step 5: Solve for x
    x = 33,083,802,915.14/209,775.23
  6. Step 6: Final answer
    x = 157,710.73

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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.