Home / 313,779.16-433,018.62-170,539.23

Finding the Fourth Proportional to 313,779.16, 433,018.62 and 170,539.23

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Solution

The fourth proportional to 313,779.16, 433,018.62 and 170,539.23 is: 235,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,779.16 : 433,018.62 = 170,539.23 : x
  2. Step 2: Convert to fraction form
    313,779.16/433,018.62 = 170,539.23/x
  3. Step 3: Cross multiply
    313,779.16x = 433,018.62 × 170,539.23
  4. Step 4: Simplify right side
    313,779.16x = 73,846,662,030.46
  5. Step 5: Solve for x
    x = 73,846,662,030.46/313,779.16
  6. Step 6: Final answer
    x = 235,345.97

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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.