Home / 446,106.08-615,628.05-242,157.40

Finding the Fourth Proportional to 446,106.08, 615,628.05 and 242,157.40

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Solution

The fourth proportional to 446,106.08, 615,628.05 and 242,157.40 is: 334,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,106.08 : 615,628.05 = 242,157.40 : x
  2. Step 2: Convert to fraction form
    446,106.08/615,628.05 = 242,157.40/x
  3. Step 3: Cross multiply
    446,106.08x = 615,628.05 × 242,157.40
  4. Step 4: Simplify right side
    446,106.08x = 149,078,885,507.91
  5. Step 5: Solve for x
    x = 149,078,885,507.91/446,106.08
  6. Step 6: Final answer
    x = 334,178.11

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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.