Home / 261,933.18-390,430.52-248,636.22

Finding the Fourth Proportional to 261,933.18, 390,430.52 and 248,636.22

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Solution

The fourth proportional to 261,933.18, 390,430.52 and 248,636.22 is: 370,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,933.18 : 390,430.52 = 248,636.22 : x
  2. Step 2: Convert to fraction form
    261,933.18/390,430.52 = 248,636.22/x
  3. Step 3: Cross multiply
    261,933.18x = 390,430.52 × 248,636.22
  4. Step 4: Simplify right side
    261,933.18x = 97,075,167,422.25
  5. Step 5: Solve for x
    x = 97,075,167,422.25/261,933.18
  6. Step 6: Final answer
    x = 370,610.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.