Home / 259,386.71-357,561.74-202,699.67

Finding the Fourth Proportional to 259,386.71, 357,561.74 and 202,699.67

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Solution

The fourth proportional to 259,386.71, 357,561.74 and 202,699.67 is: 279,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,386.71 : 357,561.74 = 202,699.67 : x
  2. Step 2: Convert to fraction form
    259,386.71/357,561.74 = 202,699.67/x
  3. Step 3: Cross multiply
    259,386.71x = 357,561.74 × 202,699.67
  4. Step 4: Simplify right side
    259,386.71x = 72,477,645,421.57
  5. Step 5: Solve for x
    x = 72,477,645,421.57/259,386.71
  6. Step 6: Final answer
    x = 279,419.28

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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.