Home / 258,956.18-357,366.21-145,782.98

Finding the Fourth Proportional to 258,956.18, 357,366.21 and 145,782.98

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Solution

The fourth proportional to 258,956.18, 357,366.21 and 145,782.98 is: 201,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,956.18 : 357,366.21 = 145,782.98 : x
  2. Step 2: Convert to fraction form
    258,956.18/357,366.21 = 145,782.98/x
  3. Step 3: Cross multiply
    258,956.18x = 357,366.21 × 145,782.98
  4. Step 4: Simplify right side
    258,956.18x = 52,097,911,045.11
  5. Step 5: Solve for x
    x = 52,097,911,045.11/258,956.18
  6. Step 6: Final answer
    x = 201,184.27

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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.