Home / 313,831.72-433,088.76-170,592.22

Finding the Fourth Proportional to 313,831.72, 433,088.76 and 170,592.22

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Solution

The fourth proportional to 313,831.72, 433,088.76 and 170,592.22 is: 235,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,831.72 : 433,088.76 = 170,592.22 : x
  2. Step 2: Convert to fraction form
    313,831.72/433,088.76 = 170,592.22/x
  3. Step 3: Cross multiply
    313,831.72x = 433,088.76 × 170,592.22
  4. Step 4: Simplify right side
    313,831.72x = 73,881,573,025.45
  5. Step 5: Solve for x
    x = 73,881,573,025.45/313,831.72
  6. Step 6: Final answer
    x = 235,417.80

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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.