Home / 266,303.64-367,509.93-153,126.39

Finding the Fourth Proportional to 266,303.64, 367,509.93 and 153,126.39

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Solution

The fourth proportional to 266,303.64, 367,509.93 and 153,126.39 is: 211,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,303.64 : 367,509.93 = 153,126.39 : x
  2. Step 2: Convert to fraction form
    266,303.64/367,509.93 = 153,126.39/x
  3. Step 3: Cross multiply
    266,303.64x = 367,509.93 × 153,126.39
  4. Step 4: Simplify right side
    266,303.64x = 56,275,468,870.05
  5. Step 5: Solve for x
    x = 56,275,468,870.05/266,303.64
  6. Step 6: Final answer
    x = 211,320.69

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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.