Home / 170,332.36-255,529.34-70,438.32

Finding the Fourth Proportional to 170,332.36, 255,529.34 and 70,438.32

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Solution

The fourth proportional to 170,332.36, 255,529.34 and 70,438.32 is: 105,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,332.36 : 255,529.34 = 70,438.32 : x
  2. Step 2: Convert to fraction form
    170,332.36/255,529.34 = 70,438.32/x
  3. Step 3: Cross multiply
    170,332.36x = 255,529.34 × 70,438.32
  4. Step 4: Simplify right side
    170,332.36x = 17,999,057,420.31
  5. Step 5: Solve for x
    x = 17,999,057,420.31/170,332.36
  6. Step 6: Final answer
    x = 105,670.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.