Home / 316,564.45-436,900.64-180,567.23

Finding the Fourth Proportional to 316,564.45, 436,900.64 and 180,567.23

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Solution

The fourth proportional to 316,564.45, 436,900.64 and 180,567.23 is: 249,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,564.45 : 436,900.64 = 180,567.23 : x
  2. Step 2: Convert to fraction form
    316,564.45/436,900.64 = 180,567.23/x
  3. Step 3: Cross multiply
    316,564.45x = 436,900.64 × 180,567.23
  4. Step 4: Simplify right side
    316,564.45x = 78,889,935,262.69
  5. Step 5: Solve for x
    x = 78,889,935,262.69/316,564.45
  6. Step 6: Final answer
    x = 249,206.55

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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.